---
title: Popcorn pops because water inside each kernel turns to steam until t… — Cooking is chemistry · tree and pragmatics
description: Popcorn pops because water inside each kernel turns to steam until the hard shell bursts; dried-out kernels pop badly. Who acts: Popcorn, water, hard shell, dried kernels. A sentence of the lesson «Cooking is chemistry» of the chemistry course of Mova's primary school with its dependency tree and th
---

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# Cooking is chemistry, sentence 9

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Popcorn pops because water inside each kernel turns to steam until the hard shell bursts; dried-out kernels pop badly.

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**Who acts:** Popcorn, water, hard shell, dried kernels · **What happens:** pop, turn, burst, dry · **To what, where:** steam

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This is a sentence of the lesson «Cooking is chemistry» of the chemistry course of Mova's primary school. The page gives its syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause: who acts (Popcorn, water, hard shell, dried kernels), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:chemistry:010-cooking-is-chemistry.lesson:9
# text = Popcorn pops because water inside each kernel turns to steam until the hard shell bursts; dried-out kernels pop badly.
# source = school lesson (ours)
# course = chemistry
# lesson = 010-cooking-is-chemistry.lesson
# annotation = Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): R5-strong ×4, R6-punct-agree ×1, R7-rel-agree ×4
1	Popcorn	popcorn	NOUN	NN	Number=Sing	2	nsubj	_	_
2	pops	pop	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	because	because	SCONJ	IN	_	8	mark	_	_
4	water	water	NOUN	NN	Number=Sing	8	nsubj	_	_
5	inside	inside	ADP	IN	_	7	case	_	_
6	each	each	DET	DT	PronType=Tot	7	det	_	_
7	kernel	kernel	NOUN	NN	Number=Sing	4	nmod	_	_
8	turns	turn	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	2	advcl	_	_
9	to	to	ADP	IN	_	10	case	_	Agree=R7-rel-agree|Haiku=10:mark|HaikuPos=PART:TO:_
10	steam	steam	NOUN	NN	Number=Sing	8	obl	_	Agree=R7-rel-agree|Haiku=8:xcomp|HaikuPos=VERB:VB:VerbForm=Inf
11	until	until	SCONJ	IN	_	15	mark	_	Agree=R7-rel-agree|Haiku=15:case|HaikuPos=ADP:IN:_
12	the	the	DET	DT	Definite=Def|PronType=Art	14	det	_	Agree=R5-strong|Haiku=15:det
13	hard	hard	ADJ	JJ	Degree=Pos	14	amod	_	Agree=R5-strong|Haiku=15:amod
14	shell	shell	NOUN	NN	Number=Sing	15	nsubj	_	Agree=R7-rel-agree|Haiku=15:compound
15	bursts	burst	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	8	advcl	_	Agree=R5-strong|Haiku=10:obl|HaikuPos=NOUN:NNS:Number=Plur
16	;	;	PUNCT	,	_	21	punct	_	_
17	dried	dry	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	20	amod	_	_
18	-	-	PUNCT	HYPH	_	19	punct	_	Agree=R6-punct-agree|Haiku=17:punct
19	out	out	NOUN	NN	Number=Sing	17	compound	_	Agree=R5-strong|Haiku=20:compound
20	kernels	kernel	NOUN	NNS	Number=Plur	21	nsubj	_	_
21	pop	pop	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	8	conj	_	_
22	badly	badly	ADV	RB	Degree=Pos	21	advmod	_	_
23	.	.	PUNCT	.	_	2	punct	_	_
```

## Pragmatics {#pragmatics}

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- form: statement
- act: assert
- voice: narrator
- polarity: none
- teacher: kept the draft

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **pop** | present | Popcorn |  |  |  |  |  | vn break-45.1 «NP.patient V»: agent=Patient |
| 2 | **turn** | present | water inside each kernel |  |  | steam |  |  | vn roll-51.3.1 «NP V PP.trajectory»: agent=Theme to steam=Trajectory |
| 3 | **burst** | present | the hard shell |  |  |  |  |  | vn appear-48.1.1 «NP V»: agent=Theme |
| 4 | **dry** | participle |  |  |  |  |  |  | vn other\_cos-45.4-1 «NP.patient V»: agent=Patient |
| 5 | **pop** | present | dried kernels |  |  |  |  | badly *property* | vn break-45.1 «NP.patient V»: agent=Patient |

<!-- .note -->
One row per clause the reader finds. «not said here»: a role filled from the clause above. «roles by»: a VerbNet class and frame when one fits the verb, else the reader's rules on the tree.

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**Licence: [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0/)**, as the whole of Mova corpus 0.4, of which this treebank (the agreed school, `mova-school-agreed-en.conllu`) is part. The lessons were written for Mova's primary school. Sentence `school:chemistry:010-cooking-is-chemistry.lesson:9`.

**The tree:** Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): R5-strong ×4, R6-punct-agree ×1, R7-rel-agree ×4. **The frames** are read from the tree by Mova's frames reader (`prag`) when this page is built, the lesson read in order, so a pronoun may be resolved from an earlier sentence.

See the [release 0.4](https://md.mova.elamur.ai/free/en/releases/0.4/).

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- ← previous: [Cooking is chemistry, 8](https://md.mova.elamur.ai/free/en/corpora/school/chemistry/10-cooking-is-chemistry/8/)
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